Modifications to a hand control valve for a damper to increase operating lever travel.
| Identifier | ExFiles\Box 179b\1\ img343 | |
| Date | 25th February 1932 | |
| BY. {R.W. Bailey - Chief Engineer} FROM HDY. {William Hardy} ORIGINAL C.c. to Mr. HS. {Lord Ernest Hives - Chair} Day MODIFICATIONS TO HAND CONTROL VALVE FOR DAMPER. We send N/ sch. 365 herewith which shews slight modifications to the hand controlled valve to give increased travel at the end of the operating lever. HDY. {William Hardy} | ||
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).